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authorJulia Lawall <julia@diku.dk>2010-08-10 18:01:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 08:59:02 -0700
commit3094141c6532a4f748425c21c091001f218da8ae (patch)
tree20428f86de4fb7d6f8a57a4e9c35a6f2f2c02d37 /kernel/trace/blktrace.c
parenta737b88df8d0b4476ae53daaa6db137df0541203 (diff)
drivers/scsi: use memdup_user
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: Doug Gilbert <dgilbert@interlog.com> Cc: Boaz Harrosh <bharrosh@panasas.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/trace/blktrace.c')
0 files changed, 0 insertions, 0 deletions